58 #include <rpc/auth.h>
64 static void authunix_nextverf (AUTH *);
65 static bool_t authunix_marshal (AUTH *, XDR *);
66 static bool_t authunix_validate (AUTH *, struct opaque_auth *);
67 static bool_t authunix_refresh (AUTH *, void *);
68 static void authunix_destroy (AUTH *);
69 static void marshal_new_auth (AUTH *);
82 #define	AUTH_PRIVATE(auth)	((struct audata *)auth->ah_private)  argument
86  * Returns an auth handle with the given stuff in it.
88 AUTH *
95 	AUTH *auth;  in authunix_create()  local
99 	 * Allocate and set up auth handle  in authunix_create()
102 	auth = mem_alloc(sizeof(*auth));  in authunix_create()
104 	if (auth == NULL) {  in authunix_create()
116 	auth->ah_ops = authunix_ops();  in authunix_create()
117 	auth->ah_private = (caddr_t)au;  in authunix_create()
118 	auth->ah_verf = au->au_shcred = _null_auth;  in authunix_create()
152 	 * set auth handle to reflect new cred.  in authunix_create()
154 	auth->ah_cred = au->au_origcred;  in authunix_create()
155 	marshal_new_auth(auth);  in authunix_create()
156 	return (auth);  in authunix_create()
159 	if (auth)  in authunix_create()
160 		mem_free(auth, sizeof(*auth));  in authunix_create()
171  * Returns an auth handle with parameters determined by doing lots of
174 AUTH *
177 	AUTH *auth;  in authunix_create_default()  local
200 	auth = authunix_create(machname, uid, gid, ngids, gids);  in authunix_create_default()
202 	return (auth);  in authunix_create_default()
211 authunix_nextverf(AUTH *auth)  in authunix_nextverf()  argument
217 authunix_marshal(AUTH *auth, XDR *xdrs)  in authunix_marshal()  argument
221 	assert(auth != NULL);  in authunix_marshal()
224 	au = AUTH_PRIVATE(auth);  in authunix_marshal()
229 authunix_validate(AUTH *auth, struct opaque_auth *verf)  in authunix_validate()  argument
234 	assert(auth != NULL);  in authunix_validate()
238 		au = AUTH_PRIVATE(auth);  in authunix_validate()
248 			auth->ah_cred = au->au_shcred;  in authunix_validate()
253 			auth->ah_cred = au->au_origcred;  in authunix_validate()
255 		marshal_new_auth(auth);  in authunix_validate()
261 authunix_refresh(AUTH *auth, void *dummy)  in authunix_refresh()  argument
263 	struct audata *au = AUTH_PRIVATE(auth);  in authunix_refresh()
269 	assert(auth != NULL);  in authunix_refresh()
271 	if (auth->ah_cred.oa_base == au->au_origcred.oa_base) {  in authunix_refresh()
294 	auth->ah_cred = au->au_origcred;  in authunix_refresh()
295 	marshal_new_auth(auth);  in authunix_refresh()
305 authunix_destroy(AUTH *auth)  in authunix_destroy()  argument
309 	assert(auth != NULL);  in authunix_destroy()
311 	au = AUTH_PRIVATE(auth);  in authunix_destroy()
317 	mem_free(auth->ah_private, sizeof(struct audata));  in authunix_destroy()
319 	if (auth->ah_verf.oa_base != NULL)  in authunix_destroy()
320 		mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length);  in authunix_destroy()
322 	mem_free(auth, sizeof(*auth));  in authunix_destroy()
326  * Marshals (pre-serializes) an auth struct.
330 marshal_new_auth(AUTH *auth)  in marshal_new_auth()  argument
336 	assert(auth != NULL);  in marshal_new_auth()
338 	au = AUTH_PRIVATE(auth);  in marshal_new_auth()
340 	if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) ||  in marshal_new_auth()
341 	    (! xdr_opaque_auth(xdrs, &(auth->ah_verf))))  in marshal_new_auth()